OpenTechnical

OT-2026-000047669

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000047669) never changes.

Identity and time

Publication numberOT-2026-000047669 · never reused
Internal UUID01a0ae7f-c41f-7b04-a293-611d2098c4d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047669
StatusPUBLIC

Content hashes

Canonical text1a3dcc6bfd993db13d679474db129fbb8a315b57f531cabeaeb6bcea0eec9410
Markdownc6f34e0a6e52d2ab1fe71205012446fb3c45e564714cf168b9cc39b4b107d349
PDF
Publication pagec041f2d04a791aad061dde3435bc622d9d30813667a37f418259a9a1ddaae1ab
Manifeste363b3a7fe32dc2db027b55393d05022f836a522ed92ffcbe09f7f991993f382

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureMEM+mME/yzz9VDaYJcF6two7k8nhmS7Go174Q2dyDVOJsXapFAQ+jjFX+aarRb7y5QYI+MQ1DjFikQqpVOwPAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:30.750994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047669
observed c041f2d04a791aad061dde3435bc622d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.732900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047669/manifest.json
observed e363b3a7fe32dc2db027b55393d05022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.709691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047669/publication.md
observed c6f34e0a6e52d2ab1fe71205012446fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.689753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047669/publication.txt
observed 1a3dcc6bfd993db13d679474db129fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.